大约有 45,000 项符合查询结果(耗时:0.0498秒) [XML]
Do try/catch blocks hurt performance when exceptions are not thrown?
During a code review with a Microsoft employee we came across a large section of code inside a try{} block. She and an IT representative suggested this can have effects on performance of the code. In fact, they suggested most of the code should be outside of try/catch blocks, and that only importa...
Stop Mongoose from creating _id property for sub-document array items
...
It's simple, you can define this in the subschema :
var mongoose = require("mongoose");
var subSchema = mongoose.Schema({
//your subschema content
},{ _id : false });
var schema = mongoose.Schema({
// schema conten...
Pointers in Python?
...rm.field.value to always have the
same value
This is feasible, because it involves decorated names and indexing -- i.e., completely different constructs from the barenames a and b that you're asking about, and for with your request is utterly impossible. Why ask for something impossible and tot...
How do I detect unsigned integer multiply overflow?
I was writing a program in C++ to find all solutions of a b = c , where a , b and c together use all the digits 0-9 exactly once. The program looped over values of a and b , and it ran a digit-counting routine each time on a , b and ab to check if the digits condition was satisfied.
...
How can I make a time delay in Python? [duplicate]
...follow
|
edited Jun 14 '18 at 21:04
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
...
How does python numpy.where() work?
I am playing with numpy and digging through documentation and I have come across some magic. Namely I am talking about numpy.where() :
...
Windows下如何判断Win32 or x64? - C/C++ - 清泛网 - 专注C/C++及内核技术
... use the function IsWow64Process as a static function,
* you should load it by function GetProcAddress, because
* it is not available on all version of Windows.
*/
LPFN_ISWOW64PROCESS fnIsWow64Process = NULL;
/**
* This function tells if your application is a x64 program.
*/
BOOL Isx6...
What it the significance of the Javascript constructor property?
...r, the significance of the constructor property, as I can't seem to make it have any effect. E.g.:
6 Answers
...
Wait for a void async method
How can I wait for a void async method to finish its job?
6 Answers
6
...
Split Python Flask app into multiple files
I'm having trouble understanding how to split a flask app into multiple files.
4 Answers
...